A famous Latin hymn of the 13th century, describing the Last Judgement. Used in the Mass for the dead.
In the case of the Video, H/S is highlighted in advance, which signaled the end to Bulls. However, short term Longs were available but one weeks notice was given that Bulls were dead. Allowing plenty of time to prepare for a pending major market move for the Bears.
Hopefully alerted everyone in advance with one weeks notice to prep. The hidden Keys were also highlighted in plain sight with full detail, found in "EUR/USD - ForeXmospherians - The Secret Mystery Of Trading"